Top 20 most memorable Olympic moments

July 25, 2012 |by AMY ROLPH

A look back at the most iconic and memorable moments in the summer Olympics.

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Michael Phelps' eight medals were partly due to teamwork. This underwater photograph shows Phelps (left) touching the blocks just as final swimmer Jason Lezak dove into the pool during the men's 4x100m medley relay swimming final. Phelps credited his record at the 2008 Olympics to Lezak, who started out behind in the relay. "(Lezak's) last 50 meters were absolutely incredible," Phelps told ESPN.

FRANCOIS-XAVIER MARIT/Getty Images

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Michael Phelps' eight medals were partly due to teamwork. This underwater photograph shows Phelps (left) touching the blocks just as final swimmer Jason Lezak dove into the pool during the men's 4x100m medley relay swimming final. Phelps credited his record at the 2008 Olympics to Lezak, who started out behind in the relay. "(Lezak's) last 50 meters were absolutely incredible," Phelps told ESPN.